Honeywell
CVE-2020-6974
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Honeywell Notifier Web Server (NWS) Version 3.50 is vulnerable to a path traversal attack, which allows an attacker to bypass access to restricted directories. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Honeywell Notifier Web Server (NWS) Version 3.50 is vulnerable to a path traversal attack, which allows an attacker to bypass access to restricted directories. Honeywell has released a firmware update to address the problem. Affected products include: Honeywell Notifier Webserver. Version information: Version 3.50.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Honeywell Notifier Web Server (NWS) Version 3.50 is vulnerable to a path traversal attack, which allows an attacker to bypass access to restricted directories. Honeywell has released a firmware update to address the problem.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Affected Products (CPE)NVD
An ActiveX control in HscRemoteDeploy.dll in Honeywell Enterprise Buildings Integrator (EBI) R310, R400.2, R410.1, and R
Directory traversal vulnerability in the FTP server on Honeywell Excel Web XL1000C50 52 I/O, XL1000C100 104 I/O, XL1000C
Improper Input Validation vulnerability in Honeywell PM43 on 32 bit, ARM (Printer web page modules) allows Command Injec
Honeywell NVR devices allow remote attackers to create a user account in the admin group by leveraging access to a guest
Honeywell Intermec PM23, PM42, PM43, PC23, PC43, PD43, and PC42 industrial printers before 10.11.013310 and 10.12.x befo
Multiple stack-based buffer overflows in (1) HWOPOSScale.ocx and (2) HWOPOSSCANNER.ocx in Honeywell OPOS Suite before 1.
A cross-site scripting (XSS) vulnerability in the component /test/ of iq3xcite v2.31 to v3.05 allows attackers to execut
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Honeywell MB
Unauthenticated access to Honeywell IQ4x building controller HMI. CVSS 10.0.
An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-
An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-
Unauthenticated remote code execution in Honeywell PD45 Industrial Printer firmware F10.19.010040 lets any network-reach
GitHub PoC
Exploit-DB